Celtic vs Viking DNA 5 Clues That Reveal Your True Ancestry

Do you have Celtic or Viking DNA, or a mixture of both? How do you know this, and what are the main differences between these ancestries in general? Well in this video we'll look at 5 key differences between Viking and Celtic DNA and how it relates to your genetics. Now the first clue is in signature genetic traits and marker alleles. Although this isn't an exact science, these can sometimes offer clues into Atlantic Celtic populations for example have the highest rates of natural red hair in the world, namely Scotland, Ireland and Wales, as you can see in this table. While Vikings also sometimes had red hair, they showed higher frequencies of genes associated with blonde hair, especially in Sweden. Now we do know from ancient DNA studies that the Vikings did have a range of hair colours, yet blonde hair was still elevated. So there is some truth to this idea of red haired Celts and blonde haired Vikings, yet there are numerous other variables involved as well, as we'll soon see. Now certain diseases can also offer some clues. Hemochromatosis, which is an iron overload condition, is a good example of this. It is sometimes nicknamed the Celtic Curse, due to its high frequency in people of Irish or Scottish descent. Now the second clue to Viking vs Celtic DNA is found in Y-DNA haplogroups, and this is one of the most powerful, one of the strongest signals in general. And we also know the DNA markers of some of the most famous kings of Celtic countries in the past. But quickly before we look at that, if you're enjoying this video please consider subscribing. And if you would like to be a member on the videos and to support this channel in general, please check out the top link in the description below. I just made a member on the video on Caledonian DNA recently, which you will gain access to as well as numerous other exclusive videos if you sign up below. Thank you and now on with the video. So what do we know about Celtic vs Viking Y-DNA haplogroups then? Well we know that the Y chromosome is passed from father to son almost unchanged, which allows geneticists to trace paternal lineages back thousands of years. Now ancient DNA from Scandinavia and Viking age burials show high frequencies of haplogroup I1, a lineage that reaches its highest concentration in modern Sweden, Norway and Denmark. In contrast, I1 is rare in traditional Celtic populations, appearing at only 2-5%. When I1 does appear in Britain, it often reflects Viking or Anglo-Saxon ancestry. Geneticist Brian Sykes famously nicknamed haplogroup I1 the Woden lineage, after the Germanic god Odin because of its strong association with Norse and Germanic peoples. Now another key Viking marker is R1a Z284, a Scandinavian-specific branch of R1a found in Viking graves in common in modern Swedes and Norwegians. As you can see in this breakdown, R1a was virtually absent from the pre-Viking Celtic populations of the Atlantic Isles however. This means that Norse-specific R1a variants found in Britain can often link back to Viking migrations or at least Scandinavian ancestry in general. Now another haplogroup associated with the Vikings is R1b U106. This is a common marker in northern Germany and Denmark today and was spread widely by Germanic peoples, including the Anglo-Saxons and especially Danish Vikings. Now Celtic Y DNA haplogroups are very different to Viking ones. Celtic populations largely belong to branches of R1b P312, particularly branches such as RDF27, RL21, and RU152. Now R1b DF27 is strongly associated with Iberian Celts and remains very common in Spain today as this map shows. R1b U152, which is also known as R1b S28, on the other hand is linked to continental Celts, especially ancient Gaul, the home of Celtic civilisation in the ancient world. Today, it remains pretty common in France, Spain, southwest Germany, and northern Italy. For Atlantic Celts, R1b L21 is the key marker. As you can see in this map, this haplogroup reaches its highest frequencies in Ireland, Scotland, Wales, and Brittany. These populations largely descend from Bronze Age and Iron Age groups, particularly Bell Beaker populations, that brought R1b into Western Europe. Now more refined branches add even more detail. RM222 is especially common in Ulster and is associated with the O'Neill dynasty. Another branch common in Ireland is RL226, which is high in Munster in the south. It is also linked to Brian Burrough, the High King of Ireland from 1002 to 1014. The particular snip he is linked to is RDC782. In Scotland, branches such as RL1335 and RL1065 are associated with clans like Campbell and McLaren, while another branch is often is the Little Scottish Cluster, known as RS190 or also known as RCTS2187, again downstream from RL21. Yet there is crossover. You would think that Robert the Bruce, one of the most famous kings down through Scottish history, belonged to a branch of RL21, but he likely doesn't. Research from the University of Strathclyde shows that Bruce probably carried RFTB15831, which is downstream from RDF27. This perhaps reflects the Norman origins of the Bruce family in general, and hints at the complex overlap of Celtic Norman and Continental lineages in the Atlantic zone. So to simplify this a little, if you or one of your male relatives belongs to a branch of RL21 or related branch, it probably indicates Celtic ancestry somewhere in your past. In contrast, if you belong to I1 or R1AZ284 or maybe a similar branch, this perhaps indicates a Norse link or at least a Scandinavian link somewhere in your ancestry. Yet there are obviously numerous other variables involved as well, including the third one on our list, mitochondrial or maternal DNA differences. Now while the paternal lines show sharp differences, maternal DNA lineages between Celts and Vikings are a bit more subtle, yet there are still notable contrasts. Mitochondrial DNA passed from mother to children can reveal aspects of female-driven ancestry and historical intermarriage. Ancient DNA studies show that Viking Age populations had higher frequencies of maternal DNA haplogroups K, U, V and I, and lower levels of H compared to Atlantic Celtic populations. By contrast, haplogroup H dominates Britain and Ireland, often accounting for 40-50% of maternal lines. Places of mixed ancestry also tell a really interesting story. If we look at Iceland for example, roughly 60-65% of Icelandic mitochondrial DNA is Gaelic in origin, yet around 75-80% of Y DNA there is Scandinavian in origin. This fits historical records and shows that Viking migrations were often male dominated, producing Scandinavian Y DNA haplogroups alongside Celtic mitochondrial DNA. Fourth on our list is surnames. Now although surnames aren't genetic proof in and of of course, they can provide valuable historical context on migration patterns and cultural origins as part of tracing your ancestry, either in your names or your ancestors' names. Traditional Celtic surnames include Irish names such as O'Neill, O'Brien, O'Connor, O'Sullivan and O'Donnell, all derived from early medieval Gaelic dynasties. In Scotland, surnames like MacDonald, MacGregor, Macmillan, which is the best surname if you ask me given it's my surname, Campbell and Ferguson largely reflect Gaelic naming traditions, even though some later absorbed Norman or Anglo-French elites. In Wales, surnames such as Jones, Evans, Davies and Morgan reflect older Brythonic, patronomic traditions that became fixed surnames relatively late. Now Viking-influenced surnames on the other hand often reflect Scandinavian naming patterns or Old Norse language influence. These include obvious ones like Olsen and Erikson, as well as names like Thorpe, which comes directly from an Old Norse word for a settlement. Many Scottish and Island surnames also largely represent this fusion of Norse and Gaelic ancestries. Names such as Macleod, Macaskill and Gunn, which is pretty cool. These names perfectly reflect what the DNA shows in many cases, Norse male settlers integrating into a largely Gaelic population, producing a blended cultural and genetic legacy. Now number 5 on our list is autosomal DNA, which looks at your entire genetic makeup. Celtic ancestry clusters closely with Irish, Scottish, Welsh and Breton populations, showing continuity with Iron Age Britain. Viking-influenced profiles on the other hand show stronger pulls towards Norway, Sweden and Denmark of course, and the North Sea zone in general. Orkney and Shetland also represent regions with notable Norse impact, as they show around 25% Scandinavian ancestry and form a So, the most reliable way to tell the difference between Viking and Celtic ancestry is to combine numerous lines of evidence, from Y-DNA to mitochondrial DNA, from surnames to autosomal DNA. And many people do have a blend which is interesting, and please let me know your ancestry below. We also know that British and Irish ancestry entered Scandinavia during the Viking Age, and that the Vikings had an impact on Britain and Ireland genetically. But what are the DNA differences between Scottish and English people? Well to find out, please click here. Thanks for watching, please subscribe and hit the bell, and let me know your thoughts in the comments below. Please also check out the top link in the video description to get memorable in the videos. 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